2001
Role of tyrosine kinases and the tyrosine phosphatase SptP in the interaction of Salmonella with host cells
Murli S, Watson R, Galán J. Role of tyrosine kinases and the tyrosine phosphatase SptP in the interaction of Salmonella with host cells. Cellular Microbiology 2001, 3: 795-810. PMID: 11736992, DOI: 10.1046/j.1462-5822.2001.00158.x.Peer-Reviewed Original ResearchMeSH KeywordsActinsBacterial ProteinsCdc42 GTP-Binding ProteinCell NucleusCytoskeletonInterleukin-8Mitogen-Activated Protein Kinase 1Mitogen-Activated Protein Kinase 3Mitogen-Activated Protein KinasesPhosphorylationPhosphotyrosineProtein Tyrosine PhosphatasesProtein-Tyrosine KinasesSalmonellaSalmonella typhimuriumSignal TransductionSubstrate SpecificityTransfectionTyrosineVimentinConceptsTyrosine phosphatase activityBacterial proteinsCellular responsesPhosphatase activityTyrosine kinaseHost cellsType III secretion systemIntermediate filament protein vimentinCarboxy-terminal domainRho family GTPases Cdc42Actin cytoskeleton reorganizationCellular transcription factorsMAP kinase activationInteraction of SalmonellaMembrane rufflesGAP activitySpecialized organellesGTPases Cdc42Secretion systemTranscription factorsCytoskeleton reorganizationKinase activationProtein vimentinBacterial uptakeProtein
2000
Biophysical characterization of SipA, an actin‐binding protein from Salmonella enterica
Mitra K, Zhou D, Galán J. Biophysical characterization of SipA, an actin‐binding protein from Salmonella enterica. FEBS Letters 2000, 482: 81-84. PMID: 11018527, DOI: 10.1016/s0014-5793(00)02040-8.Peer-Reviewed Original ResearchConceptsActin dynamicsCoiled-coil domainF-actin stabilityActin-binding proteinsActin cytoskeleton reorganizationNon-phagocytic cellsBacterial entryCytoskeleton reorganizationAdjacent actin monomersC-terminal fragmentBiophysical characterizationF-actinCellular responsesHost cellsBacterial uptakeActin monomersProteinSalmonella entericaHelical conformationSalmonella enterica infectionsIntestinal epitheliumEnterica infectionsEssential stepSIPACells
1999
A Salmonella protein antagonizes Rac-1 and Cdc42 to mediate host-cell recovery after bacterial invasion
Fu Y, Galán J. A Salmonella protein antagonizes Rac-1 and Cdc42 to mediate host-cell recovery after bacterial invasion. Nature 1999, 401: 293-297. PMID: 10499590, DOI: 10.1038/45829.Peer-Reviewed Original ResearchMeSH KeywordsActinsArginineBacterial AdhesionBacterial ProteinsCdc42 GTP-Binding Protein, Saccharomyces cerevisiaeCell Cycle ProteinsCell MembraneEscherichia coliGTPase-Activating ProteinsGTP-Binding ProteinsHumansJNK Mitogen-Activated Protein KinasesMAP Kinase Kinase 4Mitogen-Activated Protein Kinase KinasesMutationProtein KinasesProtein Tyrosine PhosphatasesProteinsRecombinant Fusion ProteinsSalmonella typhimuriumConceptsHost cell cytosolActin cytoskeletonType III secretion systemProtein secretion systemSpecialized protein secretion systemActin cytoskeleton reorganizationCell actin cytoskeletonActin cytoskeletal changesRho GTPase proteinsRac-1Bacterial effectorsEffector proteinsExchange factorGTPase proteinsSecretion systemSalmonella proteinsCytoskeletal changesCellular responsesCdc42ProteinInfected cellsBacterial invasionCytosolBacteriumSPTPRequirement of p21-activated Kinase (PAK) for Salmonella typhimurium–induced Nuclear Responses
Chen L, Bagrodia S, Cerione R, Galán J. Requirement of p21-activated Kinase (PAK) for Salmonella typhimurium–induced Nuclear Responses. Journal Of Experimental Medicine 1999, 189: 1479-1488. PMID: 10224288, PMCID: PMC2193063, DOI: 10.1084/jem.189.9.1479.Peer-Reviewed Original ResearchConceptsP21-activated kinaseBacterial effector proteinsEffector proteinsTarget proteinsSmall molecular weight GTPasesSerine/threonine kinaseType III secretion systemCdc42 effector proteinsC-Jun NH2-terminal kinase activationCdc42/RacFunction of Cdc42PAK kinase activityDedicated type III secretion systemEffector loop mutantsActin cytoskeleton rearrangementActin cytoskeleton reorganizationHost cell cytoplasmCultured epithelial cellsNuclear responseWeight GTPasesThreonine kinaseRho familyRho GTPasesSecretion systemCytoskeletal rearrangements